<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <div>
            <span>姓名:</span>
            <input type="text" v-model.trim="name" />
        </div>
        <div>
            <span>年龄:</span>
            <input type="number" v-model.number="age" />
        </div>
        <div>
            <span>性别:</span>
            <select v-model="gender">
                <option value=1>男</option>
                <option value=0>女</option>
            </select>
        </div>
        <div>
            <button @click="gogogo">添加/修改</button>
        </div>
        <div>
            <table border="1" cellpadding="10" cellspacing="0">
                <tr>
                    <th>序号</th>
                    <th>姓名</th>
                    <th>年龄</th>
                    <th>性别</th>
                    <th>操作</th>
                </tr>
                <tr v-for="(item,index) in humanList " :key="item.id">
                    <td>{{index+1}}</td>
                    <td>{{item.name}}</td>
                    <td>{{item.age}}</td>
                    <td>{{+item.gender===1?'男':'女'}}</td>
                    <td>
                        <button @click="del(item.id)">删除</button>
                        <button @click="edit(item.id)">编辑</button>
                    </td>
                </tr>
            </table>
        </div>
    </div>
    <script src="./vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                name: '',
                age: 0,
                gender: 1,
                humanList: [{
                    id: 1,
                    name: 'Tom',
                    age: 19,
                    gender: 1
                },
                {
                    id: 2,
                    name: 'JACK',
                    age: 23,
                    gender: 0
                }]
            },
            methods: {
                gogogo() {
                    if (!this.name) return alert('名字不能为空')
                    if (this.age < 0) return alert('请输入正确的年龄')
                    if (this.id) {
                        this.humanList.find(item => item.id === this.id).name = this.name
                        this.humanList.find(item => item.id === this.id).age = this.age
                        this.humanList.find(item => item.id === this.id).gender = this.gender
                        this.name = ''
                        this.age = 0
                        this.gender = '1'
                        this.id = ''
                    } else {
                        this.humanList.push({
                            id: +new Date(),
                            name: this.name,
                            age: this.age,
                            gender: this.gender
                        }),
                            this.name = ''
                        this.age = 0
                        this.gender = '1'
                        this.id = ''
                    }


                },
                edit(id) {
                    this.name = this.humanList.find(item => item.id === id).name
                    this.age = this.humanList.find(item => item.id === id).age
                    this.gender = this.humanList.find(item => item.id === id).gender
                    this.id = this.humanList.find(item => item.id === id).id

                },
                del(id) {
                    this.humanList = this.humanList.filter(item => item.id !== id)
                }
            }
        })
    </script>
</body>

</html>